It does sound like you have a blown head gasket.
Check your oil and see if it is milky color. Which is an obvious sing on coolant in the engine due to a blown head gasket.
You can also test for a blown head gasket by using a tester. It detects combustion gases in the coolant.
Here is a helpful article:
Here is a video instruction of how to dot the test as well:
I have attached head gasket replacement procedure for your reference.
Please let me know of any questions.
Images (Click to enlarge)
Wednesday, August 4th, 2021 AT 9:11 PM